Closed-toe swim fin



FIG. 1 is a top perspective view of a closed-toe swim fin showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear perspective view.

The broken lines included in the Figures illustrate parts of the article and form no part of the claimed design. 

CLAIM The ornamental design for a closed-toe swim fin, as shown and as described. 